Renovation and Roof treatment of the Control Room Building and other allied Civil Works at the Jaigaon 33 11 KV Substation under Alipurduar Division, Alipurduar

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with powdered earth or local sand.

(II) Cement concrete with 30 mm down graded shingles excluding shuttering. N.B. Variety In ground floor and foundation. (A) Stone metal. (a) 1:3:6 proportion

Ordinary cement concrete (Mix 1:2:4) with graded stone chips (20 mm. nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes. b) River bazree. a) in G.floor

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (ii ) River Bazree

Screed concrete on roof with cement concrete (1:2:4 ) including admixture of damp proof materials as per manufactures specification laid in panels as directed including cleaning, chipping and applying cement slurry @ 1.75 kg/SQM. Providing ghoondies at junctions with parapet etc. Shapping and finishing at mouths of rain water pipes complete with top finishing with cement punning not more than 1.5 mm thick, curring complete as per direction of E.I.C. (Same as Artificial stone).[Artificial Stone Flooring (Sl. no. 4 at Page no. 22 3rd CORRI.) minus Neat Cement Punning (Sl. 8 at Page no. 166)= Rs. 330.00 - Rs. 34.00 = 296.00]. Average 35 mm thick.

Taking out old damaged tarfelt from the roof, parapet etc. preparing the roof surfaces by removing all spoils, blisters, moss etc. from the working site and disposal of the same beyond the compound and cleaning the site in all respect as per direction of Engineer-in-Charge. All floors.

Preparation of drainage spout on roof for bituminous waterproofing treatment after required grading and shaping of the under bed with Cement Concrete (1:2:4) or Cement Mortar (1:4) as directed, Chamfering and moulding the parapet wall to forma bellmouth entry, if required and providing full course treatment with bituminous felt to facilitate quick and smooth drainage ofwater in to the down pipes complete including cost of allmaterials and labour according to satisfaction of the Engineer - in - Charge.

Application of priming coat for standard bituminous waterproofing treatment over flat roof with Bitumen primer of approved brand fufilling the provision of I.S.1346-1991 & 3384-1986 applied @ 0.27 Liters /SQM overcleanand prepared roof surface complete as per satisfaction of the Engineer - in - Charge.

Providing waterproofing treatment over concrete roof surface(old or new) by the application of two coats of slurry prepared with latex of approved brand,water and cement in the proportion of (LP.W.Cement-1:4:6) by volume,with brush in a time gap of minimum 4(four) hour sto 14 (fourteen) hours between the two layers. Rate of 01 no. 20 Kg bucket (Dr Fixit 302 Super Latex).

Supplying & laying 3mm thick pre-fabricated plastomeric water proofing membrane conforming to EN 12311-1 & ASTMD 5147, manufactured with atactic poly propylene (APP) modified premium grade asphalt , specially reinforced with non-woven polyester core with polyester reinforcement @160 gms per SQM & both faces covered with thermo-fusible polyethylene film /MineraL on top face over a coat of primer @ 0.40 lit/SQM of manufacturer's specification on smooth,clean dry surface prepared wherever required.Lap joint shall be provided of 75 mm in longitudinal & 100 mm in transverse direction and fused using LPG/ Propane torch employing extra care ensuring full bondage,complete removal of entrapped air and sealing edges into grooves in appropriate manner as per direction of Engineer -in-charge all complete including materials,labour and applicable taxes. (Payment shall be made on the basis of finished surface area.). Membrane Property: Softening Point > 150 deg C, Cold Flexibility < -6 deg C, Tensile Strength, N/cm : 600 (longitudinal), 450 (transverse), Tearing Strength, N: 300 (longitudinal), 200 (transverse)

Providing one coat of anti-corrosive and water proofing paint supersilver shield (STP Ltd.) @0.125 ltr/ sqm composed of oxidised bitumen and aluminium powder in volatile solvent over APP membrane afer making and removing dust to the satisfaction of the E.I.C.

Hire and labour charges for shuttering with centreing and necessary staging upto 4 m. using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams, columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor). (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

(f) 25 mm to 30 mm shuttering without staging in foundation.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups,binders etc. including supply of rods, initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bennding to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (a) For works in foundation, basement and upto roof of ground floor / upto 4m.In Ground Floor and Foundation. (i) Tor steel/Mild steel II) JSW/JSPL/SHYAM/SRMB/BMASL/ELECTROSTEEL/SSL

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor. i)In super structure ground floor.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface.] In ground floor i) With 1:6 cement mortar (b) 20 mm. thick plaster.

(c) 15 mm. thick plaster

ii) With 1:4 cement mortar (c) 10 mm. thick plaster

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc. NOTE: Cement 0.152 cu. M. per SQM

Stripping off worn out plaster and raking out joints ofwalls,celings etc.upto any height and in any floor including removing rubbish within a lead of 75m as directed.

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal Corporation Rules for such disposal, loading into truck and cleaning the site inall respect as per direction of Engineer in charge

Labour for scrapping and picking up old dilapidated mortar / plaster (Cement / Surki / Lime mortar) from the surface of old Brick faces including cleaning the frog without damaging the Brick and stacking theBricks at Site / Stacking yard as per direction of Engineer-in-charge including removing all debris rubbish from site complete.

Supplying bubble free float glass of approved make and brand conforming to IS: 2835-1987. (iii) 5mm thick clear glass.

Removing loose scales, blisters etc. from old painted surface and thoroughly smoothening the surface to make the same suitable for receiving fresh coat of paint.

Applying Interior grade Acrylic Primer of approved quality and brand on plastered or concrete surface old or new surface to receive distemper/Acrylic emulsion paint including scrapping and preparing the surface thoroughly, complete as per manufacturer's specification and as per direction of E.I.C (a) One coat on new surface. (i) Water based interior grade Acrylic primer

Applying Acrylic Emulsion Paint of approved make and brand on walls and ceiling including sand papering in intermediate coats including putty (to be done under specific instruction of Superintending Engineer) : a) Ground floor. (Two coats) i) Standard Quality

Applying exterior grade Acrylic primer of approved quality and brand on plastered or concrete surface old or new surface to receive decorative textured (matt finish) or smooth finish acrylic exterior emulsion paint including scrapping and preparing the surface throughly, complete as per manufacturer’s specification and as per direction of the Engineer-in-Charge. In ground floor. (a) One coat

Protective and decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer's specification and as per direction of EIC to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. (a) Normal Acrylic Emulsion. In ground floor.

(a) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothing surfaces by sand papering etc. (This item is applicable to new work or old work when the original surface has been exposed by removal of old paint.)

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using approved putty etc. on the surface if necessary. b) On steel or other metal surface. With super gloss (hi gloss) (iv) two coats (with any shade except white )

Supplying and laying chequered tiles of any shade & of approved quality with (1:1½:3) cement concrete laid in panels or patterns as directed in pavement, footpath etc. including necessary underlay 25 mm thick [avg] cement mortar (1:3) complete in all respect with all labour and materials. [Using cement slurry @ 4.4 kg/Sq.m at back side and @2.4 kg/Sq.m for joint filling] Red Variety (i) 25 mm. thick

Supplying, fitting galvanised 3 ply 12 gauge / 4 points line of barbed wire in fencing (holes already made in the body of the post) or fixed by staples tightening and fixing the wires in taut condition with straining bolts including the cost of cutting and of lapping joints in the wire as necessary but excluding the cost of galvanised staples,straining bolt and binding wire where necessary. (Payment to be made on the length of individual lines of wire.)

Supplying galvanised staples fitted and fixed complete. C. 44 mm to 50 mm size

PVC Door 30 mm thick, Supplying fitting and fixing P.V.C. door shutter of approved quality & shade in position, the style & rail of the P.V.C. door shutter will be made of rigid P.V.C. multicavity hollow chamber of 59 mm x30 mm section with 2.0 mm (+/-0.2 mm) wall thickness.Horizontal & vertical section shall be fixed to EACH other by self tapping screws and 1 solid polymeric or M.S. galvanised tubular 'L' shaped bracket 100mm x 200mm in EACH corner of the shutter frame for placing hinges. Polymer based multicavity hollow section of 120 mm x30mm with 2.0 mm (+/- 0.2mm) wall thickness will be fitted in the middle, reinforced by solid polymer bar of 200 mm long at both ends and screws from both sides as lock rail. The section frame will then be fitted in by PVC panels of size 100 mmx25 mm with wall thickness of 1.2 mm (+/- 0.2 mm) and 2 nos. of 6 mm dia bright rod will be inserted horizontally with both side check and nut system and stretches where fixing of hinges / hasp bolt / tower bolt / door ring are required to be strong enough to with stand wear and tear. The rate is inclusive of cost of all materials,labour, and hire of tools and plants and appliancesi/c carriage of all materials taxes and all other incidental charges complete.

Supplying fitting and fixing in position approved P.V.C. door frame (Matt finish) made of extruded P.V.C. multichamber hollow section having dimensions 60mm x50mm x 2mm (+/-0.2mm), horizontal section will be joined with vertical section by galvanised steel screws after inserting two number steel brackets as reinforcement making suitable space for placing hinges, one steel tube 40mm x20mm x 1.20 mm will be inserted on one full vertical side of the frame (hinge side) as reinforcement, the frame will then be fixed in the opening with the help of P.V.C. expandable fastner/wooden gutties and galvanised steel screws including cost of all materials and labour, hire charges of tools and appliances, carriage of all materials, taxes and all other incidental charges complete.

Supplying profiles of required section made of Aluminium Alloy Extrusions conforming to IS: 732-1983 and IS: 1285- 1975; Annodized (with required film thickness and specified colour / natural) matt finished conforming to IS: 1868-1983 for fabrication of composit door, sliding & casement windows, partitions, formed of basic sections of any ISI embossed / certified make and brand as per direction of Engineer - In- Charge. (Payment will be made on finished length of the work). b) Movable door shutter. Top rail

Bottom rail

Lock rail

Door vertical

Glazing clip

Supplying EPDM gusket of approved make and brand as per direction of Engineer in charge. iii) weather gasket / wool pile for door vertical

Labour charge for fabrication and installation of composite door, window, Partitions made from annodized extruded alloy aluminium sections for the following units:- (D) Partly glazed and partly panelled partition or fixed glazing made of extruded and anodised alloy aluminium sections, fabrications after cutting to proper shape and size, drilling and aligning fitted with inbuilt locking arrangement cutting the glass / board (prelaminated / particle / block) to requisite shape and size moulding the edges fitted and fixed glazing clips and dry set neoprine /EPDM gasket, along with all other necessary arrangements for fixing the partition to walls, floors, beams,columns polysulphide sealant for water proofing if necessary complete in all respect as per drawing and specifications and direction of the Engineer in charge. The rate includes the hire charge of all tools and plants, adhesive, joineries such as screw, fastener but excluding the cost of extruded aluminium sections, EPDM gasket, glass, board, glazing clips, locking arrangement, etc. I) For partitions using section of size: a) 63.5 mm x 38.10 mm

Supplying, fitting & fixing of Aluminium fixed partion wall of all aluminium sections viz top, bottom and side member, intermediate member, glazing clip made of Aluminium Alloy Extrusions conforming to IS: 733-1983 and IS: 1285-1975, annodized conforming to IS:1868-1983, fitted with all other accessories viz. EPDM gusket,cleat, angle screws etc. including labour charges for fitting and fixing of aluminium fixed partition wall with glass / panel board all complete as per architectural drawings and direction of Engineer-in-charge. (Excluding cost of glass/ panel board, 10-12 Micron thickness Annodizing film. Natural white. a) for unsupported length of vertical member upto 1.50m. height of both ends of vertical member restrained but panel with in 0.90 SQM Kg. 391 391 391 391 391 391 391 391 391 391 391 401 391 391 391 (unit wt of Top, bottom & side member @1.366 kg/m ; intermediate member @ 1.443 kg/m; glazing clip: 0.167 kg/m respectively) [Note : for estimate purpose construction wing may consider weight of Al-Sections for Partition wall @ 5.7 Kg per Sq.M]

(B) Supplying 125 mm. Dia acrylic handle for aluminium door as per approved make & brand. B. Colour

Supplying concealed type heavy duty PVC headed aluminium tower bolt for double leaf doors as per approved make and brand as per direction of Engineer-in-Charge. (a) 200 mm long

Supplying bubble free float glass of approved make and brand conforming to IS: 2835-1987. 6 mm thick clear glass.

Removing sludge from septic tank, soak well etc. by methor labour including disposal of the same outside the compound as directed. (a) Upto 20 users:- (i) Within a lead of 150 metre

Cleaning soak pit by removing the top slab and replacing inner filling with jhama bats and repairing the pit as necessary including fitting the slab.

Providing and fixing concealed cistern of size 380 mm long, 400 mm wide, 100 mm thick alongwith flush plate and flush pipe with minimum distances of 37 mm from wall face with concealed fittings arrangement of approved quality with all fittings and fixtures complete, including cutting and making good the walls wherever required. (Model: Cento of Hindware or similar brand.) [Note: This work should not be executed without specific permission of Superintending Engineer.]

Supplying, fitting and fixing white vitreous china best quality approved make wash basin with C.I. brackets on 75 mm X 75 mm wooden blocks, C.P. waste fittings of 32 mm dia., one approved quality brass C.P. pillar cock of 15 mm dia., C.P. chain with rubber plug of 30 mm dia., approved quality P.V.C. waste pipe with C.P. nut 32 mm dia., 900 mm long approved quality P.V.C. connection pipe with heavy brass C.P. nut including mending good all damages and painting the brackets with two coats of approved paint. 450 mm X 300 mm size.

Supplying, fitting and fixing Flat back urinal (half stall urinal) in white vitreous chinaware of approved make in position with brass screws on 75mm X 75 mm X 75 mm wooden blocks complete 635 mm X 395 mm X 420 mm

Supplying, fitting and fixing urinal flush pipe fittings of approved brand. C.P. urinal flush pipe fittings range of two

Supplying,fitting and fixing 32 mm dia. Flush Pipe of approved make with necessary fixing materials and clamps complete. C.P. Flush Pipe

Supplying, fitting and fixing pillar cock of approved make. a) (i) CP Pillar Cock - 15 mm. (Equivalent to Code No. 507 & Model -Tropical / Sumthing Special of ESSCO or similar brand).

Supplying, fitting and fixing bib cock or stop cock. (c) (i).Chromium plated Bib Cock (angular shape with wall flange [Equivalent to Code No.5037 & Model - Florentine of Jaquar or similar brand].

Supplying, fitting and fixing PVC pipes of approved make of Schedule 80(medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately) For Exposed Work PVC Pipe. 15 mm

For Exposed Work PVC Pipe. 25 mm

Supplying P.V.C. water storage tank of approved quality with closed top with lid (Black) - Multilayer 2000 Litre capacity

Labour for hoisting plastic water storage tank. Above 1500 Litre Upto 5000 Litre capacity Upto 1st story from G.L.

Labour for punching hole in plastic water storage tank upto 50 mm dia.

Supllying, fitting and fixing Glow Sign Board with flat lettering with Aluminium Box covered with Aluminium Angles as per IS Specification 1868-1982 with outside weather proofing rust contaract processing inside Tubes/Chokes/Starter/Wiring etc. including iron angles for erction and cable lines for power conection all inclusive of structural part for erction of specified sites with labour and fittings cost of materials and transportation all inclusive of complete package.(8'x6')

Labour rate for any other miscalleneous work.

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joist, angle, channels section conforming to IS: 226, IS: 808 & SP (6) 1964 connected to one another with bracket gusset, cleat as per design, direction of Engineer -in charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal are welding conforming to IS: 816-1956 & IS:1995 using electrodes of approved make and brand conforming IS: 814-1957, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumable such as electrodes, gas and hire charges of all tools and plants and labour required for the work including all incidental charges such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for Gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 kg./m. or 15 % of weight for finished structural members weighing less than 22.5 Kg./m. may be increased to allow for bracket, cleat, rivet, bolts and nuts etc. and no separate payment being made for these items, as per direction of Engineer-In Charge. The rates are considered for a height of erection 8 m. /2nd. floor level from the ground. Add 1.5 % extra over the rate for EACH additional floor or 4 m. beyond initial 8 m. or part thereof. For structural works in Roof Trusses etc. using joists, channels & angles of specified section weighing less than 22.5 Kg. /m.

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